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Asked On2019-08-16 16:59:29 by:Annaliya

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Files can be read and written by using java script functions – fopen(),fread() and fwrite().

The function fopen() takes two parameters – 1. Path and 2. Mode (0 for reading and 3 for writing). The fopen() function returns -1, if the file is successfully opened.

There are two ways to do it:

1. Using JavaScript extensions (runs from JavaScript Editor), or

2. Using a web page and ActiveX objects (Internet Explorer only)

In JavaScript Extensions, you can use
fh = fopen(getScriptPath(), 0); to open a file

Using ActiveX objects, following should be included in your code to read a file:
var fso = new ActiveXObject("Scripting.FileSystemObject");
var s = fso.OpenTextFile("C:\\example.txt", 1, true);

Answerd on:2019-09-06 Answerd By:Ananth

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Files can be read and written by using java script functions – fopen(),fread() and fwrite().

The function fopen() takes two parameters – 1. Path and 2. Mode (0 for reading and 3 for writing). The fopen() function returns -1, if the file is successfully opened.

Example:
file=fopen(getScriptPath(),0);
The function fread() is used for reading the file content.

Example:
str = fread(file,flength(file) ;
The function fwrite() is used to write the contents to the file.

Example:
file = fopen("c:\MyFile.txt", 3);// opens the file for writing
fwrite(file, str);// str is the content that is to be written into the file.

How to read and write a file using javascript?

There are two ways to do it:

1. Using JavaScript extensions (runs from JavaScript Editor), or

2. Using a web page and ActiveX objects (Internet Explorer only)

In JavaScript Extensions, you can use
fh = fopen(getScriptPath(), 0); to open a file

Using ActiveX objects, following should be included in your code to read a file:
var fso = new ActiveXObject("Scripting.FileSystemObject");
var s = fso.OpenTextFile("C:\\example.txt", 1, true);

Answerd on:2019-08-22 Answerd By:Annaliya

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